law enforcement tracing your text messages. how the push for a new law impacts your privacy. >>> and the living legal nightmare of a man who spent decades in prison, even though he's never, ever been convicted of anything. i'm wolf blitzer. you're in "the situation room." >>> a new urgency to the crisis in syria right now with growing signs the increasingly desperate regime of bashar al assad may be preparing to unleash chemical weapons against his own people. u.s. intelligence shows syria has mixed chemical compounds needed to make sarin gas. in an extraordinary move, the secretary of state hillary clinton met twice today with her russian counterpart on the sidelines of the security conference in ireland. there are signs russia's staunch support for assad may be faltering as the civil war rapidly evolves. >> events on the ground in syria are accelerating. we see that in many different ways. the pressure against the regime in and around damascus seems to be increasing. >> there's growing fear the assad regime will respond to th